30641919

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 53114880

約数和(自身を除く): 22472961

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 121, 217, 231, 341, 363, 389, 651, 847, 1023, 1167, 2387, 2541, 2723, 3751, 4279, 7161, 8169, 11253, 12059, 12837, 26257, 29953, 36177, 47069, 78771, 84413, 89859, 132649, 141207, 253239, 329483, 397947, 928543, 988449, 1459139, 2785629, 4377417, 10213973, 30641919]

約数ペア:

[(1, 30641919), (3, 10213973), (7, 4377417), (11, 2785629), (21, 1459139), (31, 988449), (33, 928543), (77, 397947), (93, 329483), (121, 253239), (217, 141207), (231, 132649), (341, 89859), (363, 84413), (389, 78771), (651, 47069), (847, 36177), (1023, 29953), (1167, 26257), (2387, 12837), (2541, 12059), (2723, 11253), (3751, 8169), (4279, 7161)]